CN217003028U - Speed reducer and vehicle with same - Google Patents
Speed reducer and vehicle with same Download PDFInfo
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- CN217003028U CN217003028U CN202220518235.XU CN202220518235U CN217003028U CN 217003028 U CN217003028 U CN 217003028U CN 202220518235 U CN202220518235 U CN 202220518235U CN 217003028 U CN217003028 U CN 217003028U
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Abstract
The utility model discloses a speed reducer and a vehicle with the same, wherein the speed reducer comprises: the oil storage tank is arranged in the shell; the oil pumping assembly is arranged in the oil storage tank and is provided with an oil outlet and an oil inlet, and the oil storage tank is communicated with the oil inlet; the oil pipe is fixed on the inner wall of the shell and provided with a plurality of oil outlet holes at intervals; and the transmission assembly is arranged on the shell, and the oil outlet holes are formed in the shell and used for spraying oil to the transmission assembly in the speed reducer. The speed reducer provided by the embodiment of the utility model has the advantages of high transmission efficiency, good lubricating effect, long service life, low cost and the like.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a speed reducer and a vehicle with the same.
Background
The speed reducer in the related art needs to be filled with lubricating oil to lubricate a transmission assembly in the speed reducer, more lubricating oil needs to be filled in order to guarantee the lubricating effect, however, too much lubricating oil can be accumulated at the bottom of the speed reducer, the liquid level of the lubricating oil is higher, so that the part of the transmission assembly of the speed reducer is immersed under the liquid level of the lubricating oil, the lubricating oil generates extra resistance to the rotation of the transmission assembly, the rotation resistance of the transmission assembly is increased, the transmission efficiency is reduced, meanwhile, the condition that the transmission assembly is overheated easily occurs, the service life of the speed reducer is influenced, and the use cost is high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a speed reducer having advantages of high transmission efficiency, good lubrication effect, long service life, high use cost, etc.
The utility model also provides a vehicle with the speed reducer.
In order to achieve the above object, according to a first aspect embodiment of the present invention, there is provided a speed reducer including: the oil storage tank is arranged in the shell; the oil pumping assembly is arranged in the oil storage tank and is provided with an oil outlet and an oil inlet, and the oil storage tank is communicated with the oil inlet; the oil pipe is fixed on the inner wall of the shell and provided with a plurality of oil outlet holes at intervals; and the transmission assembly is arranged on the shell, and the oil outlet holes spray oil to the transmission assembly in the speed reducer.
The speed reducer provided by the embodiment of the utility model has the advantages of high transmission efficiency, good lubricating effect, long service life and the like.
According to some embodiments of the utility model, the oil pumping assembly further comprises: the oil pump is provided with the oil outlet and the oil inlet motor, and the motor is connected with the oil pump and used for driving the oil pump to pump lubricating oil in the oil storage tank through the oil inlet; the filter is arranged on the oil pump and is adjacent to the oil inlet.
According to some embodiments of the utility model, the oil pumping assembly further comprises: the oil temperature sensor is arranged on the oil pump, is close to the oil inlet and is used for detecting the temperature of the lubricating oil discharged from the oil inlet.
According to some embodiments of the utility model, the retarder further comprises: and the oil injection nozzles are arranged on the oil pipe and correspond to the oil outlet holes one to one.
According to some embodiments of the utility model, each of the oil jets comprises: the connecting part is arranged on the oil pipe and is provided with a through hole, and the through hole is communicated with the oil outlet corresponding to the oil nozzle; the spraying part is connected with the back of the connecting part to one end of the oil pipe, the back of the spraying part is an arc-shaped surface and is provided with a plurality of spraying holes, and each spraying hole is communicated with the through hole.
According to some embodiments of the utility model, the oil inlet comprises: the first oil inlet is communicated with the oil storage tank; and the second oil inlet is communicated with the other end of the oil pipe.
According to some embodiments of the utility model, the tubing is a corrosion resistant rubber tubing; and/or the oil pipe is a rigid pipe.
According to some embodiments of the utility model, the retarder further comprises: and each fixing piece is connected with the inner wall of the shell and clamped on the outer peripheral surface of the oil pipe from two opposite sides in the radial direction of the oil pipe.
According to some embodiments of the utility model, the transmission assembly comprises: a through shaft mounted to the housing through a first bearing; the differential gear is sleeved on the through shaft; a drive gear mounted within the housing through a second bearing and meshed with the differential gear; the driven gear is arranged in the shell through a third bearing and is meshed with the driving gear; wherein, it is a plurality of the oil outlet includes first oil outlet, second oil outlet, third oil outlet, fourth oil outlet and fifth oil outlet, first oil outlet to first bearing oil spout, second oil outlet to the second bearing oil spout, third oil outlet to the third bearing oil spout, fourth oil outlet to differential gear with driving gear meshing department oil spout, fifth oil outlet to driven gear with driving gear meshing department.
According to a second aspect embodiment of the utility model, a vehicle is provided, comprising a retarder according to the first aspect embodiment of the utility model.
According to the vehicle provided by the embodiment of the second aspect of the utility model, the speed reducer provided by the embodiment of the first aspect of the utility model has the advantages of high transmission efficiency, good lubricating effect, long service life, high use cost and the like.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a sectional view of a decelerator according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view from another perspective of a retarder according to an embodiment of the utility model.
Fig. 3 is a schematic structural view of an oil jet of a speed reducer according to an embodiment of the present invention.
Reference numerals:
a speed reducer 1,
A housing 100, an oil storage tank 110,
An oil pumping assembly 200, an oil outlet 210, an oil inlet 220, an oil pump 230,
An oil pipe 300,
An oil nozzle 400, a connecting part 410, a spraying part 420,
The transmission assembly 500, a through shaft 510, a first bearing 511, a differential gear 520, a driving gear 530, a second bearing 531, a driven gear 540, and a third bearing 541.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more, and "several" means one or more.
A speed reducer 1 according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1 to 3, a decelerator 1 according to an embodiment of the present invention includes a casing 100, an oil pumping assembly 200, an oil pipe 300, and a transmission assembly 500.
An oil storage tank 110 is arranged in the housing 100, the oil pumping assembly 200 is arranged in the oil storage tank 110 and is provided with an oil outlet 210 and an oil inlet 220, the oil storage tank 110 is communicated with the oil inlet 220, one end of the oil pipe 300 is connected to the oil outlet 210, the other end of the oil pipe is connected to at least one of the oil inlet 220 and the oil storage tank 110, the oil pipe 300 is fixed on the inner wall of the housing 100 and is provided with a plurality of oil outlet holes at intervals, the transmission assembly 500 is arranged in the housing 100, and the plurality of oil outlet holes spray oil to the transmission assembly 500 in the speed reducer 1.
According to the decelerator 1 of the embodiment of the present invention, by providing the oil reservoir 110 in the casing 100, wherein the oil reservoir 110 may be provided at the lower side of the casing 100, the lubricating oil filled in the decelerator 1 may flow into the oil reservoir 110 under the influence of gravity, the oil reservoir 110 may be used to contain the lubricating oil in the casing 100, and the oil reservoir 110 may be spaced apart from the driving assembly 500 in the vertical direction, so that the driving assembly 500 may be located above the liquid level of the lubricating oil in the oil reservoir 110, or only a small portion of the driving assembly 500 may be located below the liquid level of the lubricating oil in the oil reservoir 110, thereby improving the driving efficiency of the decelerator 1.
In addition, the oil pumping assembly 200 is disposed in the oil storage tank 110 and is provided with an oil outlet 210 and an oil inlet 220, the oil storage tank 110 is communicated with the oil inlet 220, one end of the oil pipe 300 is connected to the oil outlet 210, and the other end of the oil pipe is connected to at least one of the oil inlet 220 and the oil storage tank 110, the oil pipe 300 is fixed to the inner wall of the housing 100 and is provided with a plurality of oil outlet holes at intervals, and the plurality of oil outlet holes spray oil to the transmission assembly 500 in the speed reducer 1.
That is to say, the lubricating oil in the oil storage tank 110 can enter the oil pumping assembly 200 from the oil inlet 220 of the oil pumping assembly 200 and enter the oil pipe 300 along the oil outlet 210 of the oil pumping assembly 200, the oil pipe 300 can guide the lubricating oil to the transmission assembly 500 to lubricate the transmission assembly 500, the oil pumping assembly 200 can provide the power for the lubricating oil to flow along the oil pipe 300, the lubricating oil can directly return to the oil inlet 220 or return to the oil storage tank 110 after flowing through the oil pipe 300, and the lubricating oil is circulated in this way, so that the lubricating oil is fully utilized to lubricate the transmission assembly 500, and the lubricating effect is better.
Moreover, the oil pipe 300 can spray the lubricating oil to different parts of the transmission assembly 500 through the plurality of oil outlet holes simultaneously, so that different parts of the transmission assembly 500 can be lubricated well, and compared with the speed reducer in the prior art, the speed reducer 1 in the embodiment of the utility model can be filled with less lubricating oil (only 3L-5L), the use cost is low, and the lubricating oil can be lubricated to the plurality of transmission parts of the transmission assembly 500 through the oil pumping assembly 200 and the oil pipe 300, because the lubricating oil is not required to be stirred up by the transmission assembly 500 and is contacted with the plurality of transmission parts of the transmission assembly 500, the liquid level of the lubricating oil in the oil storage tank 110 can be lower, namely the lubricating oil in the oil storage tank 110 and the transmission assembly 500 can be spaced, so that the rotation resistance of the lubricating oil to the transmission assembly 500 is reduced, the torque transmission efficiency of the transmission assembly 500 is improved, and the situation that the transmission assembly 500 is overheated in the working process is avoided, the service life of the speed reducer 1 can be prolonged.
Therefore, the speed reducer 1 provided by the embodiment of the utility model has the advantages of high transmission efficiency, good lubricating effect, long service life and the like.
In some embodiments of the present invention, as shown in fig. 1 and 2, the oil pumping assembly 200 further includes an oil pump 230, a motor, and a filter.
Specifically, the oil pump 230 is provided with an oil outlet 210 and an oil inlet 220, the motor is connected to the oil pump 230 and is used for driving the oil pump 230 to pump the lubricating oil in the oil storage tank 110 through the oil inlet 220, so that when the vehicle is started, the storage battery of the vehicle can supply power to the motor, and the motor drives the oil pump 230 to work, so that the oil pump 230 pumps the lubricating oil in the oil storage tank 110 to lubricate the transmission assembly 500.
It should be noted that, once the vehicle is powered on, the storage battery supplies power to the motor, so that the oil pump 230 may pump the lubricating oil to lubricate the transmission assembly 500 before the vehicle starts, and even if the vehicle stops for a long time and the lubricating oil on the transmission assembly 500 is reduced, the transmission assembly 500 can be effectively lubricated before the vehicle starts, the wear of the transmission assembly 500 is reduced, and the lubricating effect of the speed reducer 1 is further improved.
In addition, the filter is located oil pump 230 and neighbouring oil inlet 220, the filter can filter the fluid that gets into oil pump 230, improve the fluid quality of lubricating oil, on the one hand can avoid adnexed iron behind the lubricating oil circulation to cut and dust impurity follows fluid entering oil pump 230, reduce the probability that oil pump 230 takes place to block up, make the fluid circulation more smooth and easy, on the other hand can improve the cleanliness factor of the lubricating oil that flows to transmission assembly 500, thereby improve the lubricated effect to transmission assembly 500, the life-span of extension transmission assembly 500. Wherein, a filter may also be disposed at a position of the oil pump 230 adjacent to the oil outlet 210 to further improve the cleanliness of the lubricating oil flowing to the transmission assembly 500.
In addition, the filter is integrated into the oil pump 230 without installing an additional structure on the housing 100 of the speed reducer 1, so that the purpose of cleaning oil is achieved, the difficulty in processing the housing 100 of the speed reducer 1 is reduced, the housing 100 is conveniently processed, and the sealing performance and the structural strength of the housing 100 can be improved.
In some embodiments of the present invention, the oil pumping assembly 200 further comprises an oil temperature sensor disposed at the oil pump 230 and adjacent to the oil inlet 220 for detecting the temperature of the lubricating oil flowing out of the oil inlet 220. Therefore, when the oil pumping assembly 200 pumps the lubricating oil, the temperature of the lubricating oil in the speed reducer 1 can be detected by the oil temperature sensor, so that the temperature in the speed reducer 1 is reflected, and when the temperature of the speed reducer 1 is detected to be higher, an alarm can be fed back to the vehicle control unit, so that the driving safety of a vehicle is improved.
In some embodiments of the present invention, as shown in fig. 3, the speed reducer 1 further includes a plurality of oil nozzles 400, and the plurality of oil nozzles 400 are mounted on the oil pipe 300 and correspond to the plurality of oil outlet holes one by one.
Like this, oil spout nozzle 400 can be with oil outlet spun lubricating oil direction drive assembly 500, and oil spout nozzle 400 is changeed and is arranged closely apart from drive assembly 500, and oil spout nozzle 400 can change the oil outlet direction of oil outlet, enlarges the diffusion area of lubricating oil to make lubricating oil can spout drive assembly 500 on by the greater part, be favorable to improving the lubricated effect of reduction gear 1.
Further, as shown in fig. 3, each oil jet 400 includes a connection portion 410 and a shower portion 420.
Connecting portion 410 installs in oil pipe 300 and is equipped with the through-hole, and the through-hole switches on with the oil outlet that this fuel sprayer 400 corresponds, and spraying portion 420 connects in connecting portion 410's one end of oil pipe 300 dorsad, and spraying portion 420's one end of connecting portion 410 dorsad is the arcwall face and is equipped with a plurality of spray holes, and every spray hole switches on with the through-hole.
Like this, connecting portion 410 can be with oil sprayer 400 and oil pipe 300 fixed connection, and realize the sealed between oil outlet and the oil sprayer 400, and lubricating oil can spout transmission assembly 500 through oil pump 230, oil pipe 300, oil outlet, through-hole and spray hole in proper order.
Wherein, the extending direction in every hole that sprays can not be the same, and a plurality of holes that spray can be spouted lubricating oil to drive assembly 500 along equidirectional not, make the spraying coverage area of lubricating oil bigger, further improve reduction gear 1's lubricated effect.
It should be noted that, all of the oil nozzles 400 are always in an open state, when the lubricant flows to one of the oil outlet holes in the oil pipe 300, the oil nozzle 400 connected thereto can spray oil to the transmission assembly 500, and when the oil pumping assembly 200 is turned off, the lubricant will flow back to the oil reservoir 110, and when there is no lubricant in the oil pipe 300, the oil nozzle 400 stops spraying oil.
Moreover, the inner diameter of the oil pipe 300 is much larger than the diameter of the oil outlet holes, when the lubricating oil in the oil pipe 300 flows through one of the oil outlet holes, only a small part of the lubricating oil in the oil pipe 300 can flow out of the oil outlet hole, and the rest part of the lubricating oil can still flow to other oil outlet holes and flow out of the other oil outlet holes, so that normal oil injection can be realized through a plurality of oil outlet holes.
In some embodiments of the present invention, the oil inlet 220 includes a first oil inlet communicating with the oil reservoir 110 and a second oil inlet communicating with the other end of the oil pipe 300.
It can be understood that the lubricant on the surface of the transmission assembly 500 falls back into the oil storage tank 110 under the influence of gravity, a part of the lubricant in the oil pipe 300 is sprayed out through the oil outlet and another part of the lubricant flows to the other end of the oil pipe 300, the oil pumping assembly 200 can pump the lubricant in the oil storage tank 110 through the first oil inlet, and simultaneously directly convey the residual lubricant in the oil pipe 300 to the oil outlet 210 through the second oil inlet, thereby optimizing the working efficiency of the oil pumping assembly 200 and increasing the oil inlet speed of the oil pumping assembly 200.
In some embodiments of the present invention, the oil pipe 300 is an anti-corrosion rubber pipe, the shape of the anti-corrosion rubber pipe can be adjusted according to the shape of the housing, the processing and installation are convenient, the anti-corrosion rubber pipe is not easy to corrode, and the maintenance cost is lower.
In other embodiments of the present invention, the oil pipe 300 is a rigid pipe, which has higher structural strength, and is beneficial to maintaining the original shape of the oil pipe 300, so that the inner diameters of multiple parts of the oil pipe 300 are substantially the same, the passability of the oil pipe 300 is better, and the oil pipe 300 is not easily blocked.
In some embodiments of the present invention, the decelerator 1 further includes a plurality of fixing members each of which is connected to an inner wall of the casing 100 and clamps an outer circumferential surface of the oil pipe 300 from diametrically opposite sides of the oil pipe 300.
For example, the fixing member may be a semicircular clip. Thus, the fixing member can be clamped on a part of one side of the oil pipe 300, which is opposite to the casing 100, clamping force is applied to the oil pipe 300 along two radial sides of the oil pipe 300, the oil pipe 300 is fixed on the inner wall of the casing 100, the fixing structure is simple, the connection is reliable, and the plurality of fixing members can be arranged at intervals along the axial direction of the oil pipe 300.
In some embodiments of the present invention, as shown in fig. 1 and 2, the transmission assembly 500 includes a through shaft 510, a differential gear 520, a driving gear 530, and a driven gear 540.
The through shaft 510 is mounted to the housing 100 through a first bearing 511, the differential gear 520 is sleeved on the through shaft 510, the driving gear 530 is mounted to the housing 100 through a second bearing 531 and engaged with the differential gear 520, and the driven gear 540 is mounted to the housing 100 through a third bearing 541 and engaged with the driving gear 530.
The oil outlets comprise a first oil outlet, a second oil outlet, a third oil outlet, a fourth oil outlet and a fifth oil outlet, the first oil outlet sprays oil to the first bearing 511, the second oil outlet sprays oil to the second bearing 531, the third oil outlet sprays oil to the third bearing 541, the fourth oil outlet sprays oil to the meshing position of the differential gear 520 and the driving gear 530, and the fifth oil outlet sprays oil to the meshing position of the driven gear 540 and the driving gear 530.
It can be understood that there is a certain gap between transmission assembly 500 and casing 100, oil pipe 300 can be disposed in the gap between transmission assembly 500 and casing 100, and oil pipe 300 is spaced from transmission assembly 500, so as to avoid position interference between oil pipe 300 and transmission assembly 500, and to ensure normal operation of transmission assembly 500 when lubricating transmission assembly 500. For example, the oil pipe 300 may be arranged along the arrangement direction of the driving gear 530, the second bearing 531, the first bearing 511, the differential gear 520, the through shaft 510, the driven gear 540, and the third bearing 541.
Therefore, the oil outlet holes can be used for lubricating and cooling the through shaft 510, the differential gear 520, the driving gear 530, the driven gear 540, the first bearing 511, the second bearing 531 and the third bearing 541 respectively, so that each part of the transmission assembly 500 can be lubricated in a targeted way, the lubricating effect of the speed reducer 1 is further improved, and the service life of the speed reducer 1 is prolonged.
A vehicle according to an embodiment of the present invention, which includes the speed reducer 1 according to the above-described embodiment of the present invention, is described below with reference to the drawings.
According to the vehicle provided by the embodiment of the utility model, the speed reducer 1 provided by the embodiment of the utility model has the advantages of high transmission efficiency, good lubricating effect, long service life and the like.
Other constructions and operations of the retarder 1 according to the embodiment of the utility model and of the vehicle having it are known to the person skilled in the art and will not be described in detail here.
In the description herein, references to the description of "a particular embodiment," "a particular example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A speed reducer, comprising:
the oil storage tank is arranged in the shell;
the oil pumping assembly is arranged in the oil storage tank and is provided with an oil outlet and an oil inlet, and the oil storage tank is communicated with the oil inlet;
the oil pipe is fixed on the inner wall of the shell and provided with a plurality of oil outlet holes at intervals;
and the transmission assembly is arranged on the shell, and the oil outlet holes spray oil to the transmission assembly in the speed reducer.
2. The retarder of claim 1, wherein the oil pumping assembly further comprises:
an oil pump, the oil pump being provided with the oil outlet and the oil inlet
The motor is connected with the oil pump and used for driving the oil pump to pump lubricating oil in the oil storage tank through the oil inlet;
the filter is arranged on the oil pump and is adjacent to the oil inlet.
3. The retarder of claim 2, wherein the oil pumping assembly further comprises:
the oil temperature sensor is arranged on the oil pump, is close to the oil inlet and is used for detecting the temperature of the lubricating oil discharged from the oil inlet.
4. The reducer of claim 1, further comprising:
and the oil injection nozzles are arranged on the oil pipe and correspond to the oil outlet holes one to one.
5. The speed reducer of claim 4, wherein each of the oil jets comprises:
the connecting part is arranged on the oil pipe and is provided with a through hole, and the through hole is communicated with the oil outlet hole corresponding to the oil nozzle;
the spraying part is connected with the back of the connecting part to one end of the oil pipe, the back of the spraying part is an arc-shaped surface and is provided with a plurality of spraying holes, and each spraying hole is communicated with the through hole.
6. The speed reducer of claim 1, wherein the oil inlet comprises:
the first oil inlet is communicated with the oil storage tank;
a second oil inlet communicated with the other end of the oil pipe.
7. The reducer according to claim 1, wherein the oil pipe is an anti-corrosion rubber pipe; and/or the oil pipe is a rigid pipe.
8. The reducer of claim 1, further comprising:
and each fixing piece is connected with the inner wall of the shell and clamped on the outer peripheral surface of the oil pipe from two opposite sides in the radial direction of the oil pipe.
9. Decelerator according to any one of claims 1-8, characterised in that the transmission assembly comprises:
a through shaft mounted to the housing through a first bearing;
the differential gear is sleeved on the through shaft;
the driving gear is arranged in the shell through a second bearing and is meshed with the differential gear;
the driven gear is arranged in the shell through a third bearing and is meshed with the driving gear;
wherein, it is a plurality of the oil outlet includes first oil outlet, second oil outlet, third oil outlet, fourth oil outlet and fifth oil outlet, first oil outlet to first bearing oil spout, second oil outlet to the second bearing oil spout, third oil outlet to the third bearing oil spout, fourth oil outlet to differential gear with driving gear meshing department oil spout, fifth oil outlet to driven gear with driving gear meshing department oil spout.
10. A vehicle, characterized in that it comprises a retarder according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518235.XU CN217003028U (en) | 2022-03-09 | 2022-03-09 | Speed reducer and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518235.XU CN217003028U (en) | 2022-03-09 | 2022-03-09 | Speed reducer and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217003028U true CN217003028U (en) | 2022-07-19 |
Family
ID=82369123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518235.XU Active CN217003028U (en) | 2022-03-09 | 2022-03-09 | Speed reducer and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217003028U (en) |
-
2022
- 2022-03-09 CN CN202220518235.XU patent/CN217003028U/en active Active
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